Zebras spend a lot of time traveling in search of grass to eat. It is dark out, and this zebra is not eating. What is happening to the carbon in the air around the zebras and the grass nearby?

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products